package com.rongxue.utils;

/**
 * Created by Administrator on 2018/10/30.
 */
public class StringUtil {
    /**
     * 是否为空
     * @param str
     * @return
     */
    public static Boolean isEmpty(String str){
        if(str==null || "".equals(str)){
            return true;
        }
        return false;
    }
}
